Basic Calculator
Frequently Asked Questions
Common questions about using this calculator
A basic calculator is a tool used to perform common mathematical
operations such as addition, subtraction, multiplication and division.
The percentage button can be used for percentage calculations.
For example, 200 + 10% gives 220 and 200 - 10% gives 180.
Yes. You can use the decimal point to calculate values such as
12.5, 5.75 and 100.25.
Yes. Parentheses can be used to control the order of calculation.
For example, (5 + 3) × 2 gives 16.
AC means All Clear. It removes the current calculation and
returns the display to zero.
DEL removes the last entered character or number from the display.
Yes. You can use number keys, mathematical operators,
Enter, Backspace and Escape directly from your keyboard.
The calculator displays an Error message because division by zero
is not defined in ordinary arithmetic.